Cousins ​​but have the genes of real brothers

Both boys in this unusual story are named Peter. Although they are cousins, genetically they look more like brothers, according to the New York Post .

Children born from two identical twin pairs will have genetic traits more similar to their siblings than to their cousins.

Their fathers were identical twins, Pedro and Peter. These two brothers met and married another pair of twins, Sally and Chelsea.

Identical twins are individuals who share the same genetic traits. Therefore, they are identical not only in terms of gender but also in appearance.

"Because our mothers are identical twins like our fathers, we're more like brothers than cousins," the two young men said in a video posted on TikTok, which has garnered over 1.2 million views.

"Although we are biological brothers, we are also cousins," the two boys further explained.

These two cousins ​​are referred to as twin cousins ​​by the online community in the US. Furthermore, their parents were married and discovered they were expecting a child.   at the same time. Therefore, both children were born around the same time.

Both sets of parents simultaneously cared for their children and supported each other in many ways. Because of this coincidence, they decided to name both boys Peter. They also shared many similar features.

In fact, science has a term to describe the case of these two boys named Peter: quadruplets. This is an extremely rare condition that occurs when identical twins father a child with another pair of identical twins. Although they are cousins, the children born have many genetic similarities and look more like siblings than cousins, according to the New York Post .

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